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* data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.

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Use them.
This commit is contained in:
Akim Demaille
2003-08-25 08:39:34 +00:00
parent 5348bfbe29
commit 25f66e1a6a
2 changed files with 26 additions and 21 deletions
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5
ChangeLog
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@@ -1,3 +1,8 @@
2003-08-25 Akim Demaille <akim@epita.fr>
* data/lalr1.cc (Parser::stack_print_, YY_STACK_PRINT): New.
Use them.
2003-08-25 Akim Demaille <akim@epita.fr> 2003-08-25 Akim Demaille <akim@epita.fr>
* data/lalr1.cc (Parser::reduce_print_): New. * data/lalr1.cc (Parser::reduce_print_): New.

42
data/lalr1.cc
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@@ -264,6 +264,7 @@ namespace yy
static const ]b4_int_type_for([b4_stos])[ stos_[]; static const ]b4_int_type_for([b4_stos])[ stos_[];
static const ]b4_int_type_for([b4_toknum])[ token_number_[]; static const ]b4_int_type_for([b4_toknum])[ token_number_[];
virtual void reduce_print_ (int yyrule); virtual void reduce_print_ (int yyrule);
virtual void stack_print_ ();
#endif #endif
/* Even more tables. */ /* Even more tables. */
@@ -328,9 +329,15 @@ do { \
if (debug_) \ if (debug_) \
reduce_print_ (Rule); \ reduce_print_ (Rule); \
} while (0) } while (0)
# define YY_STACK_PRINT() \
do { \
if (debug_) \
stack_print_ (); \
} while (0)
#else /* !YYDEBUG */ #else /* !YYDEBUG */
# define YYCDEBUG if (0) cdebug_ # define YYCDEBUG if (0) cdebug_
# define YY_REDUCE_PRINT(Rule) # define YY_REDUCE_PRINT(Rule)
# define YY_STACK_PRINT()
#endif /* !YYDEBUG */ #endif /* !YYDEBUG */
#define YYACCEPT goto yyacceptlab #define YYACCEPT goto yyacceptlab
@@ -497,16 +504,7 @@ b4_syncline([@oline@], [@ofile@])[
semantic_stack_.pop (len_); semantic_stack_.pop (len_);
location_stack_.pop (len_); location_stack_.pop (len_);
#if YYDEBUG YY_STACK_PRINT ();
if (debug_)
{
YYCDEBUG << "state stack now";
for (StateStack::ConstIterator i = state_stack_.begin ();
i != state_stack_.end (); ++i)
YYCDEBUG << ' ' << *i;
YYCDEBUG << std::endl;
}
#endif
semantic_stack_.push (yyval); semantic_stack_.push (yyval);
location_stack_.push (yyloc); location_stack_.push (yyloc);
@@ -663,17 +661,7 @@ yyerrlab1:
semantic_stack_.pop (); semantic_stack_.pop ();
location_stack_.pop (); location_stack_.pop ();
state_ = state_stack_[0]; state_ = state_stack_[0];
YY_STACK_PRINT ();
#if YYDEBUG
if (debug_)
{
YYCDEBUG << "Error: state stack now";
for (StateStack::ConstIterator i = state_stack_.begin ();
i != state_stack_.end (); ++i)
YYCDEBUG << ' ' << *i;
YYCDEBUG << std::endl;
}
#endif
} }
if (n_ == final_) if (n_ == final_)
@@ -821,6 +809,18 @@ yy::]b4_parser_class_name[::rline_[] =
]b4_rline[ ]b4_rline[
}; };
/** Print the state stack from its BOTTOM up to its TOP (included). */
void
yy::]b4_parser_class_name[::stack_print_ ()
{
cdebug_ << "state stack now";
for (StateStack::ConstIterator i = state_stack_.begin ();
i != state_stack_.end (); ++i)
cdebug_ << ' ' << *i;
cdebug_ << std::endl;
}
/** Report that the YYRULE is going to be reduced. */ /** Report that the YYRULE is going to be reduced. */
void void